AT511700A4 - axial connection - Google Patents

Abstract

In an axial connection (1) with a pivoting area, comprising a shell element (2) and a core element (3) arranged at least partially in the shell element (2), a contact surface (21) of the core element (3) formed in at least some areas as a spherical surface being in operative contact with a contact surface (21) of the shell element (2) formed at least in regions opposite the contact surface (21) of the core element (3), it is proposed that the core element (3) is formed at least in two parts from subelements (4, 5) and that the shell element (2) has an insertion recess (22) for inserting the sub-elements (4,5).

Description

»· I * •« * · 32890 / pt «····· ι • 1 * • 1 *

The invention relates to an axial connection with a pivoting range according to the preamble of claim 1.

Known axial connections are bolted connections, which enable a transmission of axial forces and a pivoting about the axis of the bolt. The disadvantage here is that only a pivoting about an axis is possible.

The object of the invention is to provide an axial connection of the type mentioned, with which the mentioned disadvantages can be avoided, with which a high mobility can be achieved with the sleeves can be stored and which allows a compact design.

This is achieved by the features of claim 1 according to the invention.

This has the advantage that the axial connection can be easily provided as a detachable connection. The shell element can be machined and easily incorporated into complex construction elements. In particular, a machining can be provided.

The subclaims relate to further advantageous embodiments of the invention.

It is hereby expressly referred to the wording of the claims, whereby the claims at this point are incorporated by reference into the description and are considered to be reproduced verbatim.

The invention will be described in more detail with reference to the accompanying drawings, in which only preferred embodiments are shown by way of example. Showing:

Fig. 1 shows an embodiment of an axial connection in axonometric representation; FIG. 2 shows the axial connection according to FIG. 1 in side view; FIG.

FIG. 3 shows the axial connection according to FIG. 1 in plan view; FIG.

4 to 15 intermediate steps in the assembly of the axial connection according to FIG. 1, in each case in axonometric representation, top view and side view; 32890 / pt

Figures 16 and 17 are axonometric views of the shell member of the axial connection of Figure 1;

FIG. 18 is a side view of the shell element of FIGS. 16 and 17; FIG.

FIGS. 19 and 20 show an embodiment of a synchronizing cylinder mounted with an axial connection with a conical passage opening, once in plan view and once in section according to the signs BB; and

Fig. 21 and 22 an embodiment of a bearing with an axial connection with a straight through hole Gleichgangszylinders, once in plan view and once in section according to the characters BB.

1 to 18 show an axial connection 1 with a pivoting area, comprising a shell element 2 and a core element 3 arranged at least in regions in the shell element 2, wherein a contact surface 31 of the core element 3 formed at least in regions as a spherical surface is in operative contact with an opposing element at least in regions Contact surface 31 of the core element 3 formed contact surface 21 of the shell element 2 is. The core element 3 is formed at least in two parts from sub-elements 4, 5 and the shell element 2 has an insertion recess 22 for insertion of the sub-elements 4, 5.

With the axial connection 1, two components can be connected in such a way that on the one hand axial forces can be transmitted and on the other hand a swiveling movement of the components can take place. The axial forces are transmitted between the contact surface 31 of the core element 3 and the contact surface 21 of the shell element 2. In addition to axial forces and radial forces can be transmitted in this way. In contrast, bending moments can be reduced by pivoting the components, whereby the stresses of the components can be kept low. By designed as a spherical surface contact surface 31 of the core element 3, the pivoting can be done in any direction. During the pivoting takes place a sliding movement of the contact surface 31 of the core element 3 with respect to the contact surface 21 of the shell element 2 · · · ♦

32890 / pt.

The core element 3 is composed of at least two subelements 4, 5. In this case, the sub-elements 4, 5 can be individually introduced into the shell element 2 and assembled into the core element 3.

The core element 3 can essentially have the shape of a sphere in which ball caps have been removed on opposite sides. In this case, the core element 3 may have opposite end faces 33, which are substantially parallel to one another. At the end faces 33, a component can easily attack and 4.5 clamp the sub-elements against each other.

It has proved to be advantageous if the core element 3 is formed in two parts. In this case, both the assembly of the core element 3 can be ensured in the shell member 2, and the number of items are kept low. Furthermore, a favorable power flow can be achieved by a small number of subelements 4, 5.

The shell element 2 can be easily introduced into a block-shaped region of a component, for example in a sheet metal part. In this case, two substantially parallel end faces 23 of the shell element 2 can be predetermined by the component, between which a recess for the arrangement of the core element 3 is formed. After forming the recess with the contact surface 21 and the insertion recess 22, the axial connection 1 can be formed without further required forming processes or machining reworks. In this case, the axial connection can be easily made during assembly and disassembled in particular during maintenance and any defective parts to be renewed.

The core element 3 can be divided along a circumferential main circle, in particular along a main plane, of the spherical surface of the contact surface 31.

In the case of two partial elements 4, 5, these may preferably be formed substantially symmetrically. In this case, the insertion recess 22 can be made particularly small, whereby a particularly high load capacity of the axial connection 1 can be ensured. 32890 / pt

For connecting the core element 3 to a component, provision can be made for the core element 3 to have a passage opening 32. Through the passage opening 32, a part of a component can easily be guided and connected to the core element 3. In this case, the component may comprise a guided through the passage opening axis 32 by means of at least one of the end faces 33 engaging clamping elements, the component with the sub-elements 4, 4 braced and so a reliable connection can be achieved.

The cross section of the passage opening 33 may be round, wherein a straight and round passage opening 33 can be made particularly simple. An improved security against rotation of the component relative to the core element 3 can be achieved if the passage opening 33 has a different shape from a circle, for example, additionally a tongue and groove connection is provided or the passage opening 33 has an elliptical or polygonal cross section.

The through-opening 32 of at least one of the sub-elements 4, 5 can have an internal thread, as a result of which a diametrically opposite pin element with an external thread can be screwed to the core element 3.

To be particularly favorable, it has been found that the passage opening 32 is conical. It can be stretched on a conical area of a component.

Furthermore, it can be provided that the sub-elements 4.5 comprise a fastening device for detachably connecting the sub-elements to one another. By the fastening device, a relative movement of the sub-elements 4.5 can be avoided with each other. The fastening device can represent, for example, a screw fastening. It can also be provided that the fastening device is designed as a tongue and groove connection.

The mobility of the core element 3 relative to the shell element 2 can be increased by the contact surface 21 of the bearing shell 2 and / or the contact surface 31 of the core element 3 having a friction-reducing coating. • for * E * * * 0 * * 32890 / pt

Both the shell element 2 and the sub-elements 4.5 can be easily formed by machine, in which case they can be configured in particular as a turned / milled parts. As a result, unwanted deformations or stresses in the elements 2,3,4,5 can be avoided. Furthermore, the elements 2,3,4,5 can be made very precisely, whereby a pivotal movement of the axial connection 1 is possible even with a large stress in the axial direction.

The axial connection 1 can be produced simply by inserting one of the partial elements 4, 5 of the core element 3 into the shell element 2 via the insertion recess (22), then rotating the partial element 4, 5 in the shell element 2 to release the insertion recess (22) , And subsequently introduced another of the sub-elements 4.5 of the core element 3 via the insertion recess (22) in the shell member 2 and the core element 3 is assembled. This method is shown in Figs. 4 to 15.

The core member 3 is twisted in the shell member 2 so that the collision line of the subelements 4, 5 which is on the surface of the core member 3 is completely disposed in the shell member 2 and in contact with a contact surface 21 of the shell member 2. The crash line is formed by the edges of the sub-elements 4, 5 which are arranged in the core element 3 adjacent to another of the sub-elements 4, 5. These areas can be protected in the shell element 2 from contamination, with a long life of the axial connection can be achieved.

Use of an axial connection 1 according to one of claims 1 to 9 for supporting a hydraulic cylinder 6 of a vehicle trailer forced steering system.

FIGS. 19 to 22 show a hydraulic cylinder 6, the cylinder 7 of which is mounted with an axial connection 1. The hydraulic cylinder 6 is designed as a synchronous cylinder. In the synchronous cylinder 6, a piston rod 81 is arranged on both sides of the piston 8, so that the effective area for the fluid located in the cylinder 7 on both sides of the piston 8 is equal.

The cylinder 7 has a fluid space 71 in which the piston 32890 / pt is movably arranged. Subsequent to the fluid space 71, a sleeve 72 is arranged, in which the piston rod 81 is movable. The sleeve 72 is connected to a cylinder bottom 73, which is connected to a cylinder jacket 74 of the fluid chamber 71. These connections can be formed in particular by welds.

In the fluid space 71, a piston bottom 75 connected to the cylinder 7 is arranged adjacent to the cylinder bottom 73, in which the piston rod 81 can slide. With this piston head 75 can be ensured that fluid from the fluid chamber 71 can not get into the sleeve 72. The piston head 75 can be connected by means of a fixing screw with the cylinder jacket 74 and / or the cylinder bottom 73.

On the sleeve 72, a Aufsteckteil 91 may be arranged, which in the embodiment according to FIGS. 19 and 20 has a conical outer surface and a threaded portion. The axial connection 1 with a conical through-opening 32 can be pushed onto the conical outer surface and braced with a nut element 92. By the force applied by the nut member 92 on the axial connection 1 force the axial connection 1 can be fixed with the Aufsteckteil on the sleeve 72. The advantage here is that the axial connection 1 can be fixed at any point of the sleeve 72.

In the embodiment according to FIGS. 21 and 22, the sleeve 72 has a threaded part 76 and a stop 77. In this case, the axial connection 1 can be pushed with a straight passage opening 32 on the sleeve 72 and braced with the nut member 92. The position of the axial connection 1 is determined by the position of the stop 77.

Due to the design of the sleeve 72, the required distance between the engagement region 82 of the piston rod 81 and the bearing of the cylinder 7 can be kept small, so that a compact design can be achieved with a predetermined displacement of the piston rod 81. At the engagement region 82 of the piston rod 81 further components can be connected to the piston rod 81.

32890 / pt

Furthermore, it can be ensured with the axial connection 1 that the piston rod 81 is movably arranged in the axial connection 1 and pivoting about a pivot point which substantially coincides with the axis of the piston rod 81 is made possible. Furthermore, a pivoting about each normal to the axis of the piston rod rotation axis is possible. It can be ensured that the piston rod can always align between the engagement region 82 of the piston rod 81 and the axial connection 1 and unwanted bending stresses of the hydraulic cylinder 6 can be avoided. This ensures a long life and reliability of the system.

claims:

Claims (12)

DR. FERDINAND GIBLER DR DR. WOLFGANG POTH Austrian and European Patent and Trademark Attorneys 32890 / pt GIBLER & 1. Axfalverbindung (1) with a pivoting area, comprising a SchaLenelement (2) and at least partially in the shell element (2) arranged core element (3), wherein at least partially formed as a spherical surface contact surface (21) of the core element (3 ) in operative contact with an at least partially opposite the contact surface (21) of the core element (3) formed contact surface (21) of the shell element (2), characterized in that the core element (3) at least two parts of sub-elements (4,5) is formed and that the shell element (2) has an insertion recess (22) for inserting the subelements (4, 5). 2. Axial connection according to claim 1, characterized in that the core element (3) is formed in two parts. 3. Axial connection according to claim 1 or 2, characterized in that the core element (3) along a circumferential main circle, in particular along a main plane, the spherical surface of the contact surface (31) is divided. 4. axial connection according to one of claims 1 to 3, characterized in that the core element (3) has a passage opening (32). 5. Axial connection according to claim 4, characterized in that the passage opening (32) is conical. 6. axial connection according to claim 4, characterized in that the passage opening (32) at least one of the sub-elements (4,5) has an internal thread * «* · *« * · 9: 32890 / pt. 7. Axial connection according to one of claims 1 to 6, characterized in that the sub-elements (4,5) comprise a fastening device for releasably connecting the sub-elements with each other. 8. axial connection according to one of claims 1 to 7, characterized in that the contact surface (21) of the bearing shell (2) and / or the contact surface (31) of the core element (3) have a friction-reducing coating. 9. axial connection according to one of claims 1 to 8, characterized in that the shell element (2) and the sub-elements (4,5) are rotary / milled parts. 10. A method for producing an axial connection according to one of claims 1 to 9, characterized in that a partial element is introduced 4.5 of a core element 3 via an insertion recess (22) in a shell element 2, then the sub-element 4.5 in the shell element. 2 to release the insertion recess (22) is rotated, and subsequently introduced another of the sub-elements 4.5 of the core element 3 via the insertion recess (22) in the shell member 2 and the core element 3 is assembled. 11. The method according to claim 10, characterized in that the core element 3 is rotated in the shell member 2 so that the line of collision of the sub-elements 4,5, which is on the surface of the core member 3, is disposed completely in the shell member 2 and with a Contact surface 21 of the shell element 2 is in contact. 12. Use of an axial connection according to one of claims 1 to 9 for supporting a hydraulic cylinder (6) of a vehicle trailer forced steering. Ls, Gibler & Poth Patent Attorneys OG (Dr. F. Gibler or Dr. W. Poth)